<template>
  <view>
    <!-- 轮播图区域 -->
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true"
      indicator-active-color="#fff">
      <!-- 循环轮播图item项 -->
      <swiper-item v-for="(item,index) in  swiperList" :key="index">
        <navigate class="swiper-item" :url="'/subpkg/goods_detail/goods_detail?goods_id='+ item.goods_id">
          <!-- 动态绑定图片的 src 属性 -->
          <image :src="item.image_src"></image>
        </navigate>
      </swiper-item>
    </swiper>
    <view class="nav-list">
      <view class="nav-item" v-for="(item,index) in navList" :key="index" @click="navClickHandler(item)">
        <image class="nav-img" :src="item.image_src"></image>
      </view>
    </view>
    <view class="floor-list">
      <view class="floor-item" v-for="(item,index) in floorList" :key="index">
        <image class="floor-title" :src="item.floor_title.image_src"></image>
        <view class="floor-img-box">
          <navigator class="left-img-box">
            <image :src="item.product_list[0].image_src" mode="widthFix" 
            :style="{width:item.product_list[0].image_width+'rpx'}" >
            </image>
          </navigator>
          <view class="right-img-box">
            <navigator class="right-img-item" v-for="(item2,index2) in item.product_list" 
            :key="index2" v-if="index2 !== 0" :url="item2.url">
              <image :src="item2.image_src" mode="widthFix" :style="{width:item2.image_width+'rpx'}" ></image>
            </navigator>
          </view>
        </view>
      </view>
    </view>
  </view>
</template>

<script>
  export default {
    data() {
      return {
        swiperList: [],
        navList: [],
        floorList: []
      };
    },
    onLoad() {
      // 1.进入页面获取数据
      this.getSwiperList(),
        this.getNavList(),
        this.getFloorList()
    },
    methods: {
      // 2.发起请求获取数据
      async getSwiperList() {
        const res = await uni.$http.get("/api/public/v1/home/swiperdata")
        //3.根据返回状态判断  获取的数据赋值给swiperList
        if (res.statusCode !== 200) return uni.$showMsg()
        this.swiperList = res.data.message
      },
      // 获取分类导航数据
      async getNavList() {
        const res = await uni.$http.get('/api/public/v1/home/catitems')
        if (res.statusCode !== 200) return uni.$showMsg()
        this.navList = res.data.message
      },
      // nav-item项被点击的事件处理函数
      navClickHandler(item) {
        if (item.name === '分类') {
          uni.switchTab({
            url: "/pages/cate/cate"
          })
        }
      },
      // 获取楼层区域的数据
      async getFloorList() {
        const res = await uni.$http.get('/api/public/v1/home/floordata')
        if (res.data.meta.status !== 200) return uni.$showMsg()
        res.data.message.forEach(floor => {
          floor.product_list.forEach(prod => {
            prod.url = '/subpkg/goods_list/goods_list?' + prod.navigator_url.split("?")[1]
          })
        })
        this.floorList = res.data.message
      }
    }
  };
</script>

<style lang="scss">
  swiper {
    height: 330rpx;

    .swiper-item,
    image {
      width: 100%;
      height: 100%;
    }
  }

  .nav-list {
    display: flex;
    justify-content: space-around;
    margin: 15rpx 0;

    .nav-img {
      width: 128rpx;
      height: 140rpx;
    }
  }

  .floor-title {
    height: 60rpx;
    width: 100%;
    display: flex;
    margin: 20rpx 0;
  }

  .floor-img-box {
    display: flex;
    padding-left: 10rpx;
  }

  .right-img-box {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
  }
</style>
